| Serial | Label | Owner key | Owner | Description |
|---|---|---|---|---|
| 1644750012 (2022-02-13) | IPv4 network 172.20.72.0/21 | cb2d7f7227 | zentralwerk network | |
| 1518602429 (2018-02-14) | IPv4 network 172.20.72.0/21 | cb2d7f7227 | zentralwerk network | |
| 1516140077 (2018-01-16) | IPv4 network 172.20.72.0/21 | cb2d7f7227 | zentralwerk network | |
| 1512579641 (2017-12-06) | IPv4 network 172.20.72.0/21 | cb2d7f7227 | zentralwerk network | |
| 1509044427 (2017-10-26) | IPv4 network 172.20.72.0/21 | cb2d7f7227 | zentralwerk network | |
| 1507388447 (2017-10-07) | IPv4 network 172.20.72.0/21 | cb2d7f7227 | ORG-ZENTRALWERK | zentralwerk network |
| 1506963609 (2017-10-02) | IPv4 network 172.20.72.0/21 | cb2d7f7227 | ORG-ZENTRALWERK | zentralwerk network |
| 1506934813 (2017-10-02) | IPv4 network 172.20.72.0/21 | cb2d7f7227 | ORG-ZENTRALWERK | zentralwerk network |
| 1505894518 (2017-09-20) | IPv4 network 172.20.72.0/21 | cb2d7f7227 | ORG-ZENTRALWERK | zentralwerk network |
| 1500800413 (2017-07-23) | IPv4 network 172.20.72.0/21 | cb2d7f7227 | ORG-ZENTRALWERK | zentralwerk network |
| 1488258010 (2017-02-28) | IPv4 network 172.20.72.0/21 | cb2d7f7227 | ORG-ZENTRALWERK | zentralwerk network |
| 1488243611 (2017-02-28) | IPv4 network 172.20.72.0/21 | cb2d7f7227 | ORG-ZENTRALWERK | zentralwerk network |
| 1484784020 (2017-01-19) | IPv4 network 172.20.72.0/21 | cb2d7f7227 | ORG-ZENTRALWERK | zentralwerk network |
| 1484611272 (2017-01-17) | IPv4 network 172.20.72.0/21 | cb2d7f7227 | ORG-ZENTRALWERK | zentralwerk network |
| 1484269211 (2017-01-13) | IPv4 network 172.20.72.0/21 | cb2d7f7227 | ORG-ZENTRALWERK | zentralwerk network |
| 1483491608 (2017-01-04) | IPv4 network 172.20.72.0/21 | cb2d7f7227 | ORG-ZENTRALWERK | zentralwerk network |
| 1483480808 (2017-01-03) | IPv4 network 172.20.72.0/21 | cb2d7f7227 | ORG-ZENTRALWERK | zentralwerk network |
| 1468875664 (2016-07-18) | IPv4 network 172.20.72.0/21 | cb2d7f7227 | ORG-C3D2 | c3d2 hackspace network. |